The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 01, 2016
Filed:
Jul. 19, 2012
Daniel J. Saccomando, Sheffield, GB;
Richard J. Vickerman, Stow, OH (US);
Yanshi Zhang, Solon, OH (US);
Daniel J. Saccomando, Sheffield, GB;
Richard J. Vickerman, Stow, OH (US);
Yanshi Zhang, Solon, OH (US);
The Lubrizol Corporation, Wickliffe, OH (US);
Abstract
The present invention provides a compound comprising the reaction product of a hydrcarbyl substituted amine with an itaconate, such as an N-substituted 4-carboxypyrrolidin-2-one, and methods of employing the same in lubricating compositions. The lubricating compositions containing the N-substituted 4-carboxypyrrolidin-2-one are preferably intended to be employed in a method for lubricating a mechanical device, such as an automatic or manual transmission. However, it is envisioned that the compound can be employed in engine oil lubricants and any other type of functional fluid.